# File lib/dbd/SQLite3.rb, line 87
                def connect(dbname, user, auth, attr)
                    raise DBI::InterfaceError, "dbname must be a string" unless dbname.kind_of? String
                    raise DBI::InterfaceError, "dbname must have some length" unless dbname.length > 0
                    raise DBI::InterfaceError, "attrs must be a hash" unless attr.kind_of? Hash
                    db = DBI::DBD::SQLite3::Database.new(dbname, attr)
                    @dbs.push(db)
                    db
                end